Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Nomeie a margem de liderança mais alta para o republicano Joe Kenney sendo de 23%.
 ###Tabelas: CREATE TABLE innings_or_series (innings_or_series_id AUTO_INCREMENT PRIMARY KEY, Runs VARCHAR, Player VARCHAR, Opponent VARCHAR, Venue VARCHAR, Season VARCHAR) CREATE TABLE previous_clubs (previous_clubs_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Nickname VARCHAR, Years in Competition VARCHAR, No. of Premierships INT, Premiership Years VARCHAR) CREATE TABLE victories_by_nationality (victories_by_nationality_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Men's race INT, Women's race INT, Men's wheelchair INT, Women's Wheelchair INT, Total INT) CREATE TABLE terror_and_other_attacks_1968–1987 (terror_and_other_attacks_1968–1987_id AUTO_INCREMENT PRIMARY KEY, Military deaths INT, Civilian deaths (including foreigners) INT, Total deaths INT, Military and/or Civilian wounded VARCHAR, Total casualties VARCHAR) CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, Poll Source VARCHAR, Dates administered VARCHAR, Democrat: John Lynch VARCHAR, Republican: Joe Kenney VARCHAR, Lead Margin INT)  
SELECT MAX Lead Margin FROM  WHERE Republican: Joe Kenney = 23%